WASHINGTON DC, USA – A strong but deep 7.7-magnitude earthquake struck off the Northern Mariana Islands in the western Pacific on Saturday, July 30, but triggered no tsunami alert, US monitors said.
The quake struck at a depth of 132 miles (212 kilometers) at 7:18 am local time (2118 GMT Friday, July 29) some 19 miles southwest of the island of Agrihan, according to the US Geological Survey.
No tsunami warning was issued.
A self-governing commonwealth of the United States since 1976, the Northern Marianas consist of 15 islands, with more than 90% of the population of 54,000 living on the main island, Saipan.
Only 4 other islands are populated. – Rappler.com